Mesoporous Nickel-Based Zeolite Capsule Complex with Fe₃O₄ as Electrode for Advanced Supercapacitor

Figure 6

(a) CV curves of the nickel-based complex electrodes and the pure nickel-based Fe₃O₄ electrodes at a scan rate of 10 mV s⁻¹; (b) GCD curves of the nickel-based complex electrodes and the pure nickel-based Fe₃O₄ electrodes at current densities of 1 A g⁻¹; (c) CV curves of the nickel-based complex electrodes at different scanning rates; (d) GCD curves of the nickel-based complex electrodes at various current densities; (e) specific capacitance of the nickel-based complex electrode discharge curves at various current densities; and (f) cycling performance of the nickel-based complex electrodes measured at a voltage window of −0.1 V to 0.3 V.

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